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to the apartments in revere. and federal law enforcement, this hour, an indicator he may not be of great investigative e was here on a student visa and didn't provide any hits on a phone terrorist watch list. >> megyn: thank you. >> reporter: you're welcome. >> megyn: tiny pieces of shrapnel may provide biggest clues in the hint for the boston bomber, not long after the blast we heard another piece of key evidence would be the video of the explosions themselves, including the white smoke seen rising after the explosion, that tells us something. experts say it suggests that local products and not military grade explosives were likely used. also, the large pieces of the metal flying, we spot-shadowed them here and we now believe pressure cookers were used to build these bombs and the devices may have been placed in black duffle bags and possibly put on the ground or in the trash cans. my next guest is one of the foremost explosives experts. first working on an army-- as an army bomb disposal technician and special agent with the fbi, here you see some of the investigations in which he too
stymied investigators and caused a lot of fear in the law community. >>> we'll begin in texas with search and rescue teams. they are combing through the debris in an incident at the west fertilizer plant. and i did say search and rescue, as the plant continues to smolder this afternoon, authorities are not ready to give up on finding survivors trapped in the rubble from the blast. it could be felt 50 miles away. we don't know yet how many people are missing, but they do include several members of the area's all-volunteer fire department. scores of people were injured in the blast. there's a heavy police presence, of course, in neighborhoods damaged by the blast. only search and rescue teams are being allowed in. there's been one isolated report of looting and many, many reports of neighbors helping neighbor. this all started when the fire broke out in the fertilizer plant in the tiny north central texas town of west, population 2,600. last evening, right as people wrapped up dinner. some drove closer to the plant to watch, that's when it exploded. >> you okay? >> i can't hear. i can't hea
is in custody. >> megyn: bill hemmer, thank you, friend. see you soon. law enforcement now pouring over images from the scene and you heard bill how they're asking anyone who was there to send them pictures. what you're about to see a one example of what authorities are looking at. you will he see a man cross the finish line and kiss his children and then you'll hear the first explosion and 12 seconds or so later you will hear the second blast. listen here. >> great job!. [explosion] >> we now know that three people were killed and just under 200 people were injured in those moments. the authorities will also be looking at this video where moments after the explosion, look, you see two large pieces more than two, but those two we highlighted for you, metal flying, we've spot-shadowed them here and pieces of evidence that they'll use to determine who may be behind the terrible event. coming up later in the show we're going through the video with one of the world's foremost explosives experts who has worked on nearly every major terror investigation in recent memory, including the 1983 bombing
. under a law of war we can hold the suspect to a enemy combatment not entitled to miranda warnings or the appointment of counsel. the older brother, he was killed on friday, and they investigated him at the request of a foreign government, and they did not find any ties to terrorism. and we are joined from london by a counterterrorism expert, and mike sullivan here is a former acting director of the bureau of tobacco, firearms and explosives. let's start with you in london, will. the fbi talked to this man in 2011. it does beg the question, did they miss something when they talked to tamerlan tsarnaev? >> well, it's always very difficult to say. however, having said that, if you have an individual that is brought in by the authorities and questioned, again, without knowing exactly what the topic or agenda was that they were requesting him on, one would say that there was sufficient intelligence that may have been brought to them by this foreign government. and they could be a potential risk. and one would have hoped they would have been continually monitored beyond that point to in
continue to mobilize and deploy all appropriate law enforcement resources to protect our citizens and investigate and to respond to this attack. obviously, our first thoughts this morning are with the victims, their families, and the city of boston. we know that two explosions gravely wounded dozens of americans and took the lives of others including, an 8-year-old boy. this was a heinous and cowardly act and given what we now know about what took place, the fbi is investigating it as an act of terrorism. any time bombs are used to target innocent civilians, it is an act of terror. what we don't yet know, however, is who carried out this attack or why. whether it was planned and executed by a terrorist organization, foreign or domestic, or was the act of a malevolent individual. that's what we don't yet know. and clearly we're at the beginning of our investigation. it will take time to follow every lead and determine what happened. but we will find out. we will find whoever harmed our citizens and we will bring them to justice point we also know this. the american people refuse to
. this image released from the fbi, joint bulletin issued to law enforcement. it shows the remains of a pressure cooker. the fbi says it's part of one of the detonated boks. it shows this image of an exploded backpack. the fbi is examining photos like this from nbc affiliate, whdh. it shows the marathon route before the second bomb detonated. here is a picture of the same location after the second bomb detonated. sources tell nbc news that the triggering mechanism appears to have had a battery pack and circuit board, elements of a sophisticated system. both elements were recovered at the scene. joining me now is congressman ed markey from massachusetts. one of the people killed, krystle campbell is from your district? >> yes, she is. that is a good indication this goes beyond the city of boston. >> it does. >> this is all of massachusetts. there are tens of thousands of runners but there's a million people watching the marathon. as a result, every single family knows someone who was here yesterday. this is a very special day each year for the whole state. krystle campbell from medf
to find the person still there? >> well, absolutely. and that's why you've heard federal law enforcement officials say they're looking at planes coming in and out of boston, even as we speak. as the investigation is ongoing. and one of the things we ought to mention is on all of these component parts, investigators will be looking for latent fingerprints. they'll be looking for dna samples. because somebody had to touch it to put it together. so it's likely that they will have left some mark on this that will be distinctive to them. so all of this will come together to try and help them to quickly identify. what juliette says about it being a boston case is absolutely right. we looked at prior terrorism cases, both successful and unsuccessful cases that have been disrupted, and each time you trace back sort of the perimeter you find that devices are put together in close proximity to where the attack is actually launched. so that's -- investigators understand that and will begin to work from the crime scene outward. >> all right, fran townsend, juliette chi up, our thanks to you. >> let'
of the things we have been talking about in the last day and a half in this investigation is how law enfo e enforcement officials will be looking for a bomb-making signature. some sign that shows where the bomb was put together and where they received their instructions. as you're looking at these pictures, are these the types of things that give you a sense of these signatures? >> quite reminiscent of some major cases i worked on while with ncis. using a device like this, almost always there are components left behind. the crime scene processing and technicians making the initial assessment and even chemical tests are being matched up at the national center, tdac at quantico, virginia. it will be confirmed whether the device flagrated or detonated which would indicate a higher explosive. all of these things produce leads for investigators to run down. >> john and i were talking during the commercial break going back to the olympic park bombings in 1996, the process investigators went through finding the nails that shot out of the bomb, tracing the nails back to the manufacturer and finding
Search Results 0 to 8 of about 9 (some duplicates have been removed)